CNFG_HW_ECC_EN
nfi_writew(nfc, reg | CNFG_HW_ECC_EN, NFI_CNFG);
reg &= ~(CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN);
reg |= CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN;
CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN);
op_mode |= CNFG_HW_ECC_EN;
op_mode |= CNFG_HW_ECC_EN;